Omar Al-Shuwaykh, M.D
Individual provider Active NPI Gastroenterology Physician · Walnut Creek, CA
NPI 1275967143 · NPPES record last updated Aug 13, 2026
Key facts
- NPI
- 1275967143
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Gastroenterology Physician 207RG0100X
- License
- A139572 (CA)
- Practice address
- 1425 S Main St
Walnut Creek, CA 94596-5318 - Phone
- (925) 295-5758
- NPI assigned
- Aug 28, 2013
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 19
Hospital & facility affiliations 2
Medicare Care Compare profile
- Specialty
- Hospitalist
- Education
- Other, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Bass Medical Group
Practice addresses (Care Compare)
365 Lennon LN
Suite 230
Walnut Creek, CA 94598-5912
Phone (925) 943-4900
Hospital & facility affiliations
- Alta Bates Summit Medical Center - Alta Bates Camp
- John Muir Medical Center - Walnut Creek Campus
Merit-based Incentive Payment System (MIPS)
- Final score
- 90.32 of 100
- Quality
- 89.54
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 74.34
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 46 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 26 |
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20161018000619 | CA | Practitioner - Hospitalist |
0749578185 | Reassigns benefits to 4 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A139572 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| John Muir Trauma Physicians Billing Service | Current |
Accepting new patients | |
| John Muir Trauma Physicians Billing Service | Hospitalist | Current | Accepting new patients |
| Bass Medical Group | Current | Accepting new patients | |
| Bass Medical Group | Current |
Accepting new patients | |
| Bass Medical Group | Current |
Accepting new patients | |
| Hospitalist Medicine Physicians of California, Inc | Internal Medicine | Current |
Accepting new patients |
| Bass Medical Group | Past | Accepting new patients | |
| Bass Medical Group | Past | Accepting new patients |
Locations
1505 Saint Alphonsus Way
Alamo, CA 94507
Phone (925) 837-4225
18300 US Highway 18
Apple Valley, CA 92307
Phone (760) 424-2311
2510 Webster St
Berkeley, CA 94705
Phone (510) 548-6555
1255 Travis Blvd
Fairfield, CA 94533
Phone (707) 425-0623
1200 B Gale Wilson Blvd
Fairfield, CA 94533
Phone (707) 429-3600
1220 Rossmoor Pkwy
Walnut Creek, CA 94595
Phone (925) 947-3393
365 Lennon Ln
Ste 230
Walnut Creek, CA 94598
Phone (925) 943-4900
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545
Interoperability endpoints
- oalshuwaykh121398@ehr.johnmuirhealth.com
- oalshuwaykh364294@hisp.ehr.sutterhealth.org
- https://fhir4.healow.com/fhir/r4/IBDGCA
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | A139572 | CA | Yes |
Addresses
Primary practice location
1425 S Main St
Walnut Creek, CA 94596-5318
Mailing address
1425 S Main St
Walnut Creek, CA 94596-5318
Electronic endpoints
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hite/xcpdrespondinggatewaysync.svc/ncalceq | Health Information Exchange (HIE) |
Other providers in Walnut Creek, CA
- Angelina Arturovna Akopyan
- Suzy Aksu
- Most Akter
- Tahani J Al Rawashdeh
- Akua A Al-Hassan
- Nahla Alabbas
- Belis M Aladag
- Alameda Care Home Health Inc
- Alameda Care Hospice
- Alameda Pacific Medical Group
All providers in Walnut Creek, CA · Gastroenterology Physician in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Aug 13, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.